Oak Creek

Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyCrook
Nearest CityBELLE FOURCHE, SD
River/StreamALUM CREEK OR OAK CKEEK
Coordinates44.75210, -104.09910

Physical Characteristics

Dam TypeEarth
NID Height41 ft
Dam Height41 ft
Dam Length1,600 ft
Year Completed1976 (50 years old)

Storage & Hydraulics

NID Storage2,500 acre-ft
Max Storage2,500 acre-ft
Normal Storage915 acre-ft
Surface Area105 acres
Drainage Area45 sq mi
Max Discharge2,019 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerJENSEN RANCH
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/23/2025
Emergency Action PlanNot Required

Identifiers

NID IDWY01366
Federal IDWY01366
More InfoState Dam Safety Program

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